From cfc64fd91fabed099a4c3df58559f4b7efe9bcce Mon Sep 17 00:00:00 2001
From: Xiaochen Wang <wangxiaochen0@gmail.com>
Date: Thu, 31 Mar 2011 00:27:32 +0900
Subject: tomoyo: fix memory leak in tomoyo_commit_ok()

When memory used for policy exceeds the quota, tomoyo_memory_ok() return false.
In this case, tomoyo_commit_ok() must call kfree() before returning NULL.
This bug exists since 2.6.35.

Signed-off-by: Xiaochen Wang <wangxiaochen0@gmail.com>
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
---
 security/tomoyo/memory.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'security/tomoyo')

diff --git a/security/tomoyo/memory.c b/security/tomoyo/memory.c
index 2976126..42a7b1b 100644
--- a/security/tomoyo/memory.c
+++ b/security/tomoyo/memory.c
@@ -75,6 +75,7 @@ void *tomoyo_commit_ok(void *data, const unsigned int size)
 		memset(data, 0, size);
 		return ptr;
 	}
+	kfree(ptr);
 	return NULL;
 }
 
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